Home / 11,077.14-15,286.19-6,361.32

Finding the Fourth Proportional to 11,077.14, 15,286.19 and 6,361.32

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Solution

The fourth proportional to 11,077.14, 15,286.19 and 6,361.32 is: 8,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.14 : 15,286.19 = 6,361.32 : x
  2. Step 2: Convert to fraction form
    11,077.14/15,286.19 = 6,361.32/x
  3. Step 3: Cross multiply
    11,077.14x = 15,286.19 × 6,361.32
  4. Step 4: Simplify right side
    11,077.14x = 97,240,314.36
  5. Step 5: Solve for x
    x = 97,240,314.36/11,077.14
  6. Step 6: Final answer
    x = 8,778.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.